Birational properties of the gap subresultant varieties

被引：0
|
作者：
El Kahoui, M [1 ]
机构：
[1] Cadi Ayyad Univ, Fac Sci, Dept Math, Marrakech, Morocco
来源：
JOURNAL OF SYMBOLIC COMPUTATION | 2005年 / 39卷 / 01期
关键词：
subresultant sequence; local coordinate system; gap subresultant varieties;
D O I：
10.1016/j.jsc.2004.09.005
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper we address the problem of understanding the gaps that may occur in the subresultant sequence of two polynomials. We define the gap subresultant varieties and prove that they are rational and have the expected dimension. We also give explicitly their corresponding prime ideals. (C) 2004 Elsevier Ltd. All rights reserved.
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页码：61 / 71
页数：11
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